1921725

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:108

約数の個数: 60

約数和(自身を含む): 3886036

約数和(自身を除く): 1964311

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 73, 75, 81, 117, 135, 195, 219, 225, 325, 351, 365, 405, 585, 657, 675, 949, 975, 1053, 1095, 1755, 1825, 1971, 2025, 2847, 2925, 3285, 4745, 5265, 5475, 5913, 8541, 8775, 9855, 14235, 16425, 23725, 25623, 26325, 29565, 42705, 49275, 71175, 76869, 128115, 147825, 213525, 384345, 640575, 1921725]

約数ペア:

[(1, 1921725), (3, 640575), (5, 384345), (9, 213525), (13, 147825), (15, 128115), (25, 76869), (27, 71175), (39, 49275), (45, 42705), (65, 29565), (73, 26325), (75, 25623), (81, 23725), (117, 16425), (135, 14235), (195, 9855), (219, 8775), (225, 8541), (325, 5913), (351, 5475), (365, 5265), (405, 4745), (585, 3285), (657, 2925), (675, 2847), (949, 2025), (975, 1971), (1053, 1825), (1095, 1755)]